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                                <h1 id="&#x8F6F;&#x6539;">&#x8F6F;&#x6539;</h1>
<h2 id="&#x524D;&#x8A00;">&#x524D;&#x8A00;</h2>
<p>&#x67D0;&#x4E9B;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x5355;&#x7EAF;&#x9488;&#x5BF9;&#x786C;&#x4EF6;&#x5C42;&#x9762;&#x7684;&#x4FEE;&#x6539;&#x53EF;&#x80FD;&#x65E0;&#x6CD5;&#x6EE1;&#x8DB3;&#x9700;&#x6C42;&#x65F6;&#xFF0C;&#x5C31;&#x9700;&#x8981;&#x5728;&#x56FA;&#x4EF6;&#x5C42;&#x9762;&#x8FDB;&#x884C;&#x4FEE;&#x6539;&#xFF0C;&#x5982;&#x901A;&#x8FC7;&#x4FEE;&#x6539;&#x667A;&#x80FD;&#x6444;&#x50CF;&#x5934;&#x56FA;&#x4EF6;&#x4E2D;&#x7684;&#x5BC6;&#x7801;&#xFF0C;&#x7ED5;&#x8FC7;&#x5382;&#x5546;&#x5728;&#x4E32;&#x53E3;&#x8C03;&#x8BD5;&#x65F6;&#x7684;&#x5BC6;&#x7801;&#x9A8C;&#x8BC1;&#xFF1B;&#x5982;&#x4FEE;&#x6539;&#x5BB6;&#x7528;&#x7535;&#x89C6;&#x673A;&#x4E3B;&#x677F;&#x56FA;&#x4EF6;&#x4E2D;&#x7684;&#x7528;&#x6237;&#x4FE1;&#x606F;&#xFF0C;&#x89E3;&#x51B3;&#x5F00;&#x673A;&#x6545;&#x969C;&#x95EE;&#x9898;&#xFF0C;&#x5982;&#x4FEE;&#x6539;&#x8DEF;&#x7531;&#x5668;&#x56FA;&#x4EF6;&#xFF0C;&#x4F7F;&#x4F4E;&#x7248;&#x672C;&#x56FA;&#x4EF6;&#x517C;&#x5BB9;&#x9AD8;&#x7248;&#x672C;&#x786C;&#x4EF6;&#xFF0C;&#x672C;&#x7AE0;&#x5C06;&#x7528;&#x5B9E;&#x4F8B;&#xFF0C;&#x5C55;&#x793A;&#x56FA;&#x4EF6;&#x4FEE;&#x6539;&#x7684;&#x5177;&#x4F53;&#x65B9;&#x5F0F;&#x548C;&#x601D;&#x8DEF;&#x3002;</p>
<h2 id="&#x5D4C;&#x5165;&#x5F0F;&#x8BBE;&#x5907;">&#x5D4C;&#x5165;&#x5F0F;&#x8BBE;&#x5907;</h2>
<p>&#x5BF9;&#x4E8E;&#x5D4C;&#x5165;&#x5F0F;&#x7CFB;&#x7EDF;&#x7684;&#x56FA;&#x4EF6;&#xFF0C;&#x67E5;&#x770B;&#x5176;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#xFF0C;&#x89E3;&#x538B;&#xFF0C;&#x627E;&#x5230;&#x5BF9;&#x5E94;&#x7684;&#x6587;&#x4EF6;&#xFF0C;&#x76F4;&#x63A5;&#x4FEE;&#x6539;&#xFF0C;&#x4FEE;&#x6539;&#x4E4B;&#x540E;&#x91CD;&#x6253;&#x5305;&#x5237;&#x5165;&#x5373;&#x53EF;&#x3002;&#x4F8B;&#x5982;&#x5BF9;&#x67D0;&#x4E2A;&#x6444;&#x50CF;&#x5934; root &#x5BC6;&#x7801;&#x7684;&#x4FEE;&#x6539;&#x3002;</p>
<h3 id="&#x6444;&#x50CF;&#x5934;&#x56FA;&#x4EF6;&#x4FEE;&#x6539;">&#x6444;&#x50CF;&#x5934;&#x56FA;&#x4EF6;&#x4FEE;&#x6539;</h3>
<p>&#x62FF;&#x5230;&#x56FA;&#x4EF6; BIN &#x4E4B;&#x540E;&#xFF0C;&#x4F7F;&#x7528; binwalk &#x89E3;&#x5305;</p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23e73cde014.png" alt=""></p>
<p>&#x53D1;&#x73B0;&#x6709;&#x591A;&#x4E2A; squashfs &#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#xFF0C;&#x4E14;&#x89E3;&#x5305;&#x540E;&#x5BF9;&#x5E94;&#x7684;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#x6839;&#x76EE;&#x5F55;&#x53EA;&#x6709;&#x4E00;&#x4E2A;&#xFF0C;&#x5176;&#x4ED6;&#x51E0;&#x4E2A;&#x662F;&#x4E0D;&#x5B8C;&#x5168;&#x7684;&#x76EE;&#x5F55;&#xFF0C;&#x731C;&#x6D4B;&#x7B2C;&#x4E00;&#x4E2A; squashfs &#x5BF9;&#x5E94;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#x6839;&#x76EE;&#x5F55;&#x3002;&#x5C06;&#x7B2C;&#x4E00;&#x4E2A; squashfs &#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#x4ECE;&#x56FA;&#x4EF6;&#x4E2D; dump &#x51FA;&#x6765;&#xFF0C;&#x7136;&#x540E;&#x4F7F;&#x7528; unsquashfs &#x5DE5;&#x5177;&#x89E3;&#x538B;</p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23e9d8cbb9b.png" alt=""></p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23ea5f7ae5f.png" alt=""></p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23ea74b401e.png" alt=""></p>
<p>&#x5728;&#x5F53;&#x524D;&#x5DE5;&#x4F5C;&#x76EE;&#x5F55;&#x4E2D;&#x591A;&#x51FA;&#x4E00;&#x4E2A; squashfs-root &#x6587;&#x4EF6;&#x5939;&#xFF0C;&#x5185;&#x5BB9;&#x6B63;&#x662F;&#x6839;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;</p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23eb58bc587.png" alt=""></p>
<p>&#x67E5;&#x770B; etc/shadow</p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23ebddc4948.png" alt=""></p>
<p>&#x5C06;root&#x8D26;&#x6237;&#x7684;&#x5BC6;&#x7801;&#x5B57;&#x6BB5;&#x7F6E;&#x7A7A;&#x540E;&#x4FDD;&#x5B58;&#xFF0C;&#x7136;&#x540E;&#x4F7F;&#x7528; mksquashfs &#x5DE5;&#x5177;&#x6253;&#x5305;&#xFF0C;&#x538B;&#x7F29;&#x683C;&#x5F0F;&#x9009;&#x7528;&#x548C; second.bin &#x76F8;&#x540C;&#x7684;&#x538B;&#x7F29;&#x683C;&#x5F0F;&#xFF0C;blocksize &#x8BBE;&#x7F6E;&#x4E3A;&#x548C; second.bin &#x76F8;&#x540C;&#x7684;131072 bytes&#xFF0C;&#x5C06;&#x6240;&#x6709;&#x6587;&#x4EF6;&#x7684;&#x6240;&#x6709;&#x8005;&#x4F7F;&#x7528; -all-root &#x53C2;&#x6570;&#x8BBE;&#x7F6E;&#x4E3A; root&#xFF0C;-nopad &#x6307;&#x5B9A;&#x4E0D;&#x8981;&#x8FDB;&#x884C;4k&#x5BF9;&#x9F50;</p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23ee02b2d66.png" alt=""></p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23eee21ff88.png" alt=""></p>
<p>&#x7531;&#x4E8E;&#x91CD;&#x6253;&#x5305;&#x4E4B;&#x540E;&#x7684;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#x6BD4;&#x539F;&#x6587;&#x4EF6;&#x7CFB;&#x7EDF;&#x8981;&#x5C0F;&#xFF0C;&#x6240;&#x4EE5;&#x8981;&#x5BF9; newrootfs.bin &#x672B;&#x5C3E;&#x8FDB;&#x884C;&#x586B;&#x5145;</p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23ef9ccdab9.png" alt=""></p>
<p>&#x586B;&#x5145;&#x4E4B;&#x540E;&#x7684; newrootfs.bin &#x548C; second.bin &#x5927;&#x5C0F;&#x76F8;&#x540C;&#x3002;&#x7136;&#x540E;&#x5C06; first.bin,newrootfs.bin,three.bin &#x6309;&#x987A;&#x5E8F;&#x62FC;&#x63A5;&#x6210;&#x65B0;&#x7684;&#x56FA;&#x4EF6;</p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/5b23f0ebd1fc0.png" alt=""></p>
<p>&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x4FEE;&#x6539;&#x4E4B;&#x540E;&#x7684;&#x56FA;&#x4EF6;&#x548C;&#x539F;&#x56FA;&#x4EF6;&#x5927;&#x5C0F;&#x76F8;&#x540C;&#xFF0C;&#x6587;&#x4EF6;&#x7ED3;&#x6784;&#x4E5F;&#x76F8;&#x540C;&#xFF0C;&#x914D;&#x5408;&#x4E4B;&#x524D;&#x7684;&#x4F53;&#x5916;&#x5206;&#x79BB;&#x786C;&#x6539;&#xFF0C;&#x5237;&#x5165;&#x56FA;&#x4EF6;&#x4E4B;&#x540E;&#x5F00;&#x673A;&#xFF0C;root &#x7528;&#x6237;&#x5DF2;&#x7ECF;&#x53EF;&#x4EE5;&#x65E0;&#x5BC6;&#x7801;&#x767B;&#x5F55;&#x3002;</p>
<p><img src="https://img-1253984064.cos.ap-guangzhou.myqcloud.com/858ffghe3564/5b3263dc9f57a.jpg" alt=""></p>
<p>&#x5982;&#x679C;&#x8981;&#x5BF9; elf &#x6587;&#x4EF6;&#x7684;&#x4FEE;&#x6539;&#xFF0C;&#x53EF;&#x4EE5;&#x53C2;&#x8003;&#x4E4B;&#x524D;&#x7684; 2.3.2 &#x56FA;&#x4EF6;&#x9006;&#x5411;&#xFF0C;2.5.3 &#x8FDC;&#x7A0B;&#x8C03;&#x8BD5;&#x7AE0;&#x8282;&#xFF0C;&#x4E8C;&#x8FDB;&#x5236;&#x9006;&#x5411;&#x5206;&#x6790;&#xFF0C;&#x4FEE;&#x6539;&#x5BF9;&#x5E94;&#x7684;&#x6307;&#x4EE4;&#xFF0C;&#x5B57;&#x7B26;&#x4E32;&#x6765;&#x5B8C;&#x6210;&#x7A0B;&#x5E8F;&#x4FEE;&#x6539;&#x3002;&#x7136;&#x540E;&#x5728;&#x91CD;&#x65B0;&#x6253;&#x5305;&#x56DE;&#x53BB;&#x3002;</p>
<h2 id="&#x5355;&#x7247;&#x673A;">&#x5355;&#x7247;&#x673A;</h2>
<p>&#x5BF9;&#x4E8E;&#x65E0;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x7684;&#x5355;&#x7247;&#x673A;&#x56FA;&#x4EF6;&#xFF0C;&#x9700;&#x8981;&#x901A;&#x8FC7;&#x9006;&#x5411;&#x51FA;&#x6765;&#xFF0C;&#x518D;&#x6765;&#x4FEE;&#x6539;&#x903B;&#x8F91;&#x6216;&#x5B57;&#x7B26;&#x4E32;&#x3002;</p>

                                
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